motivating their need, we clarify just what ontologies are and what purposes they serve. We outline a methodology for developing and evaluating ontologies, first discussing informal techniques, concerning such issues as scoping, handling ambiguity, reaching agreement and producing de nitions. We

Currently computers are changing from single isolated devices to entry points into a world wide network of information exchange and business transactions called the World Wide Web (WWW). Therefore support in the exchange of data, information, and knowledge exchange is becoming the key issue

The CASK method (Computer-aided Acquisition of Semantic Knowledge) is being used at CELTA with the SEMANA (SEMantic ANAlyser) software, which was especially designed for this purpose. We use the notation of semantic feature structures as a meta-language for describing the category of aspect in Polish regardless of its pertaining to various levels of expression (morphological, syntactical or lexical). To model the category of aspect we treat types of situations as conditions for two relevant aspect parameters we call analysis of the situation (or internal aspect) and control of the situation (or external aspect). In order to cope both with the lexical diversity of aspectual morphemes (prefixes) and the grammatical (dichotomous and obligatory) character of aspect in Slavic languages, we have proposed to define the perfective aspect as a hypercategory. Our database of Polish aspect was analysed using KDD statistical tools (G. Sauvet 2008,

The idea that the next generation computer-based training (CBT) systems should incorporate many innovative concepts in the acquisition, representation, and management of expert knowledge and common-sense knowledge is now widely accepted among the researchers.

. Thus, there is the need for providing all trading agents involved with a rich enough language to express their business rules. In this paper we focus on the ontological issues that need to be considered in order to empower the expressiveness offered by negotiation objects and offers to incorporate

While knowledge is viewed by many as an asset, it is often difficult to locate particular items within a large electronic corpus. This paper presents an agent based framework for the location of resources to resolve a specific query, and considers the associated design issue. Aspects of the work

fusion system based on the ontological principles of “becoming ” versus the historical opposite of “being”. Ontology is a question of the existence of the world, but also equally important in a philosophical argument is that of an epistemology – or a set of rules. We explore the higher-level purpose

rst consider the very general issue of categorisation in modelling and relate it to the process of ontology capture We then describe the procedure that we used to identify the terms and produce denitions We describe a successful way to handle ambiguous terms which can be an enormous obstacle

. The paper considers one of the key problems of the multi-agent distributed learning: development of the distributed classification systems ’ ontology. The paper analyzes the basic aspects of this weakly studied though important and challenging problem and proposes several solutions capable to constitute a

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